Source: https://chetanmishra8660.github.io/2019/04/07/adobe-photoshop-shortcuts.html
x : Toggle foreground and background colors d : Toggle default black as foreground color, and white as background color. Hold alt key : Toggle Color Picker[when paint bucket is active] Ctrl+Alt+Z : undo more than once. Ctrl+Shift+Z : redo more than once. Ctrl+Z : undo(again will do redo)(again will do undo).. so on.. Ctrl+A : to select all Ctrl+D : to deselect all Ctrl+R : View/Hide Rulers[View> Rulers] Ctrl+A: Select all Ctrl+D: Deslect Ctrl+Shift+D: Deselect Layers
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